Oil-well-drilling-tool wrench.



N. T. SHORTS.

OIL WELL DRILLING TOOL WRENCH.

APPLICATION FILED JUNE 10,1914.

1,122,31 6. 4 Patented Dec. 29, 1914 INVENTOR.

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mvirnn srarns ra'rnnr orricn NELSON T. SHORTS, 0F FERN, PENNSYLVANIA.

OIL-WELL-DRILLING-TOOL WRENCH.

in oil well drilling tool wrenches, and has for its object to provide means, in a manner as hereinafter set forth, to prevent binding of the jack track and slipping of the wrench handles on the jack and post and to furthermore cause shorter leverage and letting the driller or operator know to what extent he is setting up the joint on the drilling tools and which is of great importance.

The mam object of the invention is to provide a spanner block forming an element of the wrench and provided with a diagonally extending notch and capable of.

being removably mounted in position whereby blocks having notches or squares of different sizes can be employed, under such conditions overcoming the inconvenience of having dilferent size wrenches when employing the wrench in connection with different size squares and joints on drilling tools.

A further object of the invention is to provide a wrench with means, in a manner as hereinafter referred to, to overcome the necessity of employing a brace from the jack track to the tools to avoid the slipping of the wrench handles on the jack and post and the binding of thejack on the jack track, except at times when the joint of the tools shoulders so as to allow the ends ofthe wrench handles to move in close proximity to each other.

A further object of the invention is to provide a wrench, with a spanner block having a diagonally disposed notch and by changing the spanner blocks, the angle of the wrench handle can be changed, thus allowing by proper adjustment, the handles to be forty-five degrees apart against ninety degrees as is now commonly employed,

Further objects of the invention are to Specification of Letters Patent.

This inventionrelates to an improvement- Patented Dec. 29, 1914. I Application filed June 10, 1914. Serial no. 844,332. 7

provide an. improved wrench for the .pur-

pose set, forth, which is simple in its constructlon and arrangement, strong, durable, efiicient and convenient in its use, readscribed and illustrated'in the accompanying drawings, wherein is shown'an embodiment of the invention, but it is to be understood that .changes, variations and modifications can be resorted to which come within the scope of the claims hereunto appended.

In the drawings wherein like reference characters denote corresponding parts throughout the several-views:-Figure 1 is.

a top plan view of a plurality of drilling toolnvrjenches in accordance with this invention, showing the adaptation thereof, in connectlon with the jack and its track, Fig.

2 is a top plan vie-wof the wrench, Fig. 3

is aside elevation, Fig. 4 isa perspective View of the interchangeable spanner block, Fig. 5 1s a sectional detail of the head of the wrench on line YY, Fig. 2, and Fig. 6:

is a section on line XX Fig. 2.

'A wrench in accordance with this inven tion is not only employed for screwing or unscrewing the sections of the drilling tool, but also employed for holding one section of the drilling tool while the other section is screwed thereon or unscrewed therefrom. \Vhen the wrench is used in connection with drilling tools, two wrenches are employed, one for holdinga section of the tool andthe other for screwing or unscrewing a sec-' tion of the tool from the section'which is held fast.

Referring to the drawings in detail, 6 denotes a curved rack and 7 a jack, the latter being of known construction and. is associated with the rack when operating the wrench.

The wrench comprises a shank 8, having the major portion of its rear edge straight as at 9, andsaid shank 8 has its free terminus, 10, curved forwardly and upwardly. The forward edge 11 of the shank, for the major portion of its length extends toward the outer end of the shank outwardly at an inclination, and the said forward edge 11 of the shank is furthermore provided with curved grooves 12 and 13, which provides seats for the purpose to be presently referred to.

The outer end of the shank 8 merges into a yoke-shaped head consisting of a pair of longitudinally extending parallel arms 14: and 15, the former being integral with the shank 3 and the latter is spaced from the former. The arms 14: and 15 are connected together by a horizontal arm 16. The yokeshaped head has its outer edge 17 semioval in plan.

The inner edges of the arms 14:, 15 are straight as indicated at 18 and the inner edge of the horizontal arm 16, is also straight, as indicated at 19 and the said inner edge 19 has its ends merging into the inner termini of the edges 18. One face of the arm 14 is provided with a longitudinal enlargement or rib 20 and one face of the arm 15 is formed with a longitudinal enlargement or rib 21. The inner edges 18 of the arms 14, 15, are cut away to provide longitudinal shoulders 22, 23, and theshank 8 has its edge 9 cut away to form a continuation of the shoulders 22, 23 of the arm 14, as indicated at 24:. One face of the arm 16 is provided with a rib 25, which merges into the enlargements 20 and 21. Connected to the shank 8, is a vertically disposed eye 26 to provide for the convenient lifting of the wrench and attached to the arm 16 of the head is a handle 27, which also provides for the convenient handling of the wrench.

Mounted in the head of the wrench is an interchangeable spanner member, consisting of a rectangular body portion 28, having upper and lower lateral flanges 29, 30, the former overlaps the enlargements 20, 21 and the latter rests against the shoulders 22, 23, and the said shoulders 22 prevent vertical movement of the spanner member when the latter is seated in the head of the wrench. The body portion 28 is formed with a diagonally extending notch, 31, which has the side walls 32, thereof extending at an inclination and in parallel planes. The end wall of the notch 31 is indicated at 3 1 and is disposed at an inclination with respect to the center of the body portion 28. One of the flanges 29 is provided with an opening 35 and one of the flanges 30 with an opening 36. A pin 37 is adapted to extend through one of the openings, 35 or 36 and engages in the head of the wrench for the purpose of detachably connecting the spanner member to the wrench head.

The shank 8 of the wrench is provided with an opening 38 for the purpose of detachably connecting the stem 39 of the eye 26 thereto.

The rack 6 at one end is provided with an abutment 40.

In Fig. 1 of the drawings, the holding wrench is indicated at 41 and the shifting wrench at 4:2. The seat 12 of the shank of the holding wrench 4:1 bears against the abutment 40 and the jack 7 bears against the seat 13 of the shifting wrench 42. When the wrenches 41 and 42 are employed, the notches 31 of the spanner members of said wrenches extend away from each other, that is to say the notch 31 of the spanner member of the wrench 41 extends at an inclination in one direction while the notch 31 of the spanner member of the wrench 42 extends at an inclination in a direction away from the notch 31 of the spanner member of the wrench 41 as is evident from the arrangement of the two wrenches as illustrated in Fig. 1. By the employment of the spanner members, with the wrenches positioned as illustrated in Fig. 1 the shanks of the wrenches are arranged in close proximity to each other, so that in plan, they appear substantially parallel, as illustrated in Fig. 1. In the ordinary form, when employing wrenches of the class to which the wrench forming the subject matter of this application belongs, the shifting wrench is disposed at right angles with respect to the holding wrench and such wide positioning of the two wrenches with respect to each other is overcome by the employing of the spanner member in the manner as referred to.

lVhat I claim is 1. A drilling tool wrench comprising a shank, a yoke-shaped head having one arm integral with said shank and further having each arm formed with a pair of shoulders, one of the shoulders of each pair disposed at right angles with respect to the other shoulder of'the pair, and a spanner member provided with two pairs of flanges, said member mounted in said head and having one pair of flanges overlapping the head and the other pair engaging said pairs of shoulders, said member provided with a diagonally disposed notch.

2. A drilling tool wrench comprising a shank, a yoke-shaped head having one arm integral with said shank and further having each arm formed with a pair of shoulders, one of the shoulders of each pair disposed at right angles with respect to the other shoulder of the pair, and a spanner member provided with two pairs of flanges,

said member mounted in said head and hav ing one pair of flanges overlapping the head and the other pair engaging said pairs of shoulders, said member provided with a diagonally disposed notch, and means for connecting said member to said head.

3. A drilling tool wrench comprising a shank, a yoke-shaped head having one arm integral with said shank and further having each arm formed with a pair of shoul- 1,122,316 i 1 a p l 3 ders, one of the shoulders of each pair disconnecting said-member to said head, said 10 posed at right angles With respect to the shank provided With a pair of seats. p a other shoulder of the pair, and a spanner In testimony whereof I aflix my signature member provided With tWo pairs of flanges, in the presence of two Witnesses. 1 p said member mounted in said head and having one pair of flanges overlapping the Y NELSON head and the other pair engaging said pairs Witnesses:

of shou1ders, said member provided With a DON C. CoRBEr'T,

diagonally dlsposed notch, and means for JOHN M MYERSL Copies of this patent may be obtained for five cents each, by addressing the. Commissioner of Iatents,

Washington, D. G. v v r 

